1 definition by Ruddy Duck
An exercise carried out before one leaves a party and must "sober-up" ASAP, say before entering the presence of unapproving authority figures. involves heavy drinking of water and excessive bread consumption. not to be confused with the "drop-the-soap drill".
Bro 1: dude, we gotta head back soon but we cant go back this drunk
Bro 2: its alright man, we just gotta go do the prison drill!
Bro 2: its alright man, we just gotta go do the prison drill!
by Ruddy Duck January 20, 2012